Source: opendmarc Version: 1.4.2-5.1 X-Debbugs-CC: [email protected] Severity: important Tags: security upstream
Hi, The following vulnerabilities were published for opendmarc. CVE-2026-100890[0]: | A flaw has been found in Trusted Domain Project OpenDMARC up to | 1.4.2. Affected by this vulnerability is the function | opendmarc_spf_ipv6_explode in the library | libopendmarc/opendmarc_spf.c of the component SPF Parser. This | manipulation of the argument cp causes null pointer dereference. It | is possible to initiate the attack remotely. The exploit has been | published and may be used. The vendor was contacted early about this | disclosure but did not respond in any way. CVE-2026-100891[1]: | A vulnerability has been found in Trusted Domain Project OpenDMARC | up to 1.4.2. Affected by this issue is the function | opendmarc_policy_query_dmarc in the library | libopendmarc/opendmarc_policy.c of the component Internationalized | Domain Name Handler. Such manipulation leads to encoding error. It | is possible to launch the attack remotely. The exploit has been | disclosed to the public and may be used. The vendor was contacted | early about this disclosure but did not respond in any way. CVE-2026-101014[2]: | A vulnerability was detected in Trusted Domain Project OpenDMARC up | to 1.4.2. Affected by this vulnerability is the function | opendmarc_util_cleanup in the library libopendmarc/opendmarc_util.c | of the component DMARC Record Parser. Performing a manipulation | results in off-by-one. The attack may be initiated remotely. The | exploit is now public and may be used. The patch is named | b3b1da9264bc80324094a27c71e7369bdedc62ae. To fix this issue, it is | recommended to deploy a patch. CVE-2026-101015[3]: | A flaw has been found in Trusted Domain Project OpenDMARC up to | 1.4.2. Affected by this issue is some unknown functionality of the | file policy.c of the component Domain Handler. Executing a | manipulation can lead to improper validation of unsafe equivalence | in input. The attack may be launched remotely. The exploit has been | published and may be used. The vendor was contacted early about this | disclosure but did not respond in any way. CVE-2026-101016[4]: | A vulnerability has been found in Trusted Domain Project OpenDMARC | up to 1.4.2. This affects the function opendmarc_policy_parse_dmarc | in the library libopendmarc/opendmarc_policy.c. The manipulation of | the argument fo/rf/ri/pct/sp/adkim/aspf/rua/ruf leads to handling of | exceptional conditions. Remote exploitation of the attack is | possible. The exploit has been disclosed to the public and may be | used. The vendor was contacted early about this disclosure but did | not respond in any way. CVE-2026-101017[5]: | A vulnerability was found in Trusted Domain Project OpenDMARC up to | 1.4.2. This vulnerability affects the function strcasecmp in the | library libopendmarc/opendmarc_policy.c. The manipulation results in | handling of exceptional conditions. The attack can be executed | remotely. The exploit has been made public and could be used. The | vendor was contacted early about this disclosure but did not respond | in any way. CVE-2026-101278[6]: | A weakness has been identified in Trusted Domain Project OpenDMARC | up to 1.4.2. This affects the function opendmarc_get_tld of the file | libopendmarc/opendmarc_tld.c : of the component PSL Wildcard | Handler. Executing a manipulation can lead to origin validation | error. The attack may be launched remotely. The exploit has been | made available to the public and could be used for attacks. The | vendor was contacted early about this disclosure but did not respond | in any way. CVE-2026-101279[7]: | A security vulnerability has been detected in Trusted Domain Project | OpenDMARC up to 1.4.2. This impacts an unknown function of the file | libopendmarc/opendmarc_policy.c of the component DMARC Parser. The | manipulation of the argument pct leads to integer overflow. Remote | exploitation of the attack is possible. The exploit has been | disclosed publicly and may be used. The vendor was contacted early | about this disclosure but did not respond in any way. CVE-2026-101280[8]: | A vulnerability was detected in Trusted Domain Project OpenDMARC up | to 1.4.2. Affected is the function opendmarc_policy_query_dmarc of | the component Multi-Record Set Handler. The manipulation results in | authentication bypass by spoofing. The attack can be executed | remotely. The exploit is now public and may be used. The vendor was | contacted early about this disclosure but did not respond in any | way. CVE-2026-101281[9]: | A flaw has been found in Trusted Domain Project OpenDMARC up to | 1.4.2. Affected by this vulnerability is the function | opendmarc_sp2_find_mailfrom_domain of the file | libopendmarc/opendmarc_spf.c of the component SPF Macro Handler. | This manipulation causes improper authentication. The attack is | possible to be carried out remotely. The exploit has been published | and may be used. Patch name: | c48a74c758677fc5272a73eff15ffdbf8afda1a6. Applying a patch is the | recommended action to fix this issue. If you fix the vulnerabilities please also make sure to include the CVE (Common Vulnerabilities & Exposures) ids in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-100890 https://www.cve.org/CVERecord?id=CVE-2026-100890 [1] https://security-tracker.debian.org/tracker/CVE-2026-100891 https://www.cve.org/CVERecord?id=CVE-2026-100891 [2] https://security-tracker.debian.org/tracker/CVE-2026-101014 https://www.cve.org/CVERecord?id=CVE-2026-101014 [3] https://security-tracker.debian.org/tracker/CVE-2026-101015 https://www.cve.org/CVERecord?id=CVE-2026-101015 [4] https://security-tracker.debian.org/tracker/CVE-2026-101016 https://www.cve.org/CVERecord?id=CVE-2026-101016 [5] https://security-tracker.debian.org/tracker/CVE-2026-101017 https://www.cve.org/CVERecord?id=CVE-2026-101017 [6] https://security-tracker.debian.org/tracker/CVE-2026-101278 https://www.cve.org/CVERecord?id=CVE-2026-101278 [7] https://security-tracker.debian.org/tracker/CVE-2026-101279 https://www.cve.org/CVERecord?id=CVE-2026-101279 [8] https://security-tracker.debian.org/tracker/CVE-2026-101280 https://www.cve.org/CVERecord?id=CVE-2026-101280 [9] https://security-tracker.debian.org/tracker/CVE-2026-101281 https://www.cve.org/CVERecord?id=CVE-2026-101281 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

