Le Sun, Apr 19, 2026 at 12:43:45PM +0200, David Prévot a écrit : […] > [ This bug report is similar to #1134372 for php-seclib3 ] > > I’d like to get CVE-2026-40194 fixed in an upcoming point release.
I’d like to also add an additional CVE-2024-27355 workaround as recently published upstream (just a max length change for an ID). [ Checklist ] [x] *all* changes are documented in the d/changelog [x] I reviewed all changes and I approve them [x] attach debdiff against the package in (old)stable [x] the issue is verified as fixed in unstable Regards, taffit
diff -Nru php-phpseclib-2.0.48/debian/changelog php-phpseclib-2.0.48/debian/changelog --- php-phpseclib-2.0.48/debian/changelog 2026-04-19 11:33:48.000000000 +0200 +++ php-phpseclib-2.0.48/debian/changelog 2026-04-28 13:50:18.000000000 +0200 @@ -1,3 +1,10 @@ +php-phpseclib (2.0.48-3+deb13u3) trixie; urgency=medium + + * ASN1: reduce length of supported OIDs from 4096 bytes to 128 bytes + [CVE-2024-27355] + + -- David Prévot <[email protected]> Tue, 28 Apr 2026 13:50:18 +0200 + php-phpseclib (2.0.48-3+deb13u2) trixie; urgency=medium * SSH2: use constant time string comparison in get_binary_packet() diff -Nru php-phpseclib-2.0.48/debian/patches/0014-ASN1-reduce-length-of-supported-OIDs-from-4096-bytes.patch php-phpseclib-2.0.48/debian/patches/0014-ASN1-reduce-length-of-supported-OIDs-from-4096-bytes.patch --- php-phpseclib-2.0.48/debian/patches/0014-ASN1-reduce-length-of-supported-OIDs-from-4096-bytes.patch 1970-01-01 01:00:00.000000000 +0100 +++ php-phpseclib-2.0.48/debian/patches/0014-ASN1-reduce-length-of-supported-OIDs-from-4096-bytes.patch 2026-04-28 13:49:53.000000000 +0200 @@ -0,0 +1,26 @@ +From: terrafrost <[email protected]> +Date: Mon, 27 Apr 2026 01:00:37 -0500 +Subject: ASN1: reduce length of supported OIDs from 4096 bytes to 128 bytes + +Origin: upstream, https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc +Bug: https://github.com/phpseclib/phpseclib/security/advisories/GHSA-2528-jw5q-ww88 +Bug-Debian: https://security-tracker.debian.org/tracker/CVE-2024-27355 +--- + phpseclib/File/ASN1.php | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/phpseclib/File/ASN1.php b/phpseclib/File/ASN1.php +index dba99de..562de7d 100644 +--- a/phpseclib/File/ASN1.php ++++ b/phpseclib/File/ASN1.php +@@ -1177,8 +1177,8 @@ class ASN1 + $pos = 0; + $len = strlen($content); + // see https://github.com/openjdk/jdk/blob/2deb318c9f047ec5a4b160d66a4b52f93688ec42/src/java.base/share/classes/sun/security/util/ObjectIdentifier.java#L55 +- if ($len > 4096) { +- //user_error('Object Identifier size is limited to 4096 bytes'); ++ if ($len > 128) { ++ //user_error('Object Identifier size is limited to 128 bytes'); + return false; + } + diff -Nru php-phpseclib-2.0.48/debian/patches/series php-phpseclib-2.0.48/debian/patches/series --- php-phpseclib-2.0.48/debian/patches/series 2026-04-19 11:33:48.000000000 +0200 +++ php-phpseclib-2.0.48/debian/patches/series 2026-04-28 13:49:53.000000000 +0200 @@ -11,3 +11,4 @@ 0011-Modernize-PHPUnit-syntax.patch 0012-make-unpadding-constant-time.patch 0013-SSH2-use-constant-time-string-comparison-in-get_bina.patch +0014-ASN1-reduce-length-of-supported-OIDs-from-4096-bytes.patch
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