From: Anil Dongare <[email protected]> Pick the upstream fix [1] for CVE-2026-41079 as referenced by Debian [2].
[1] https://github.com/OpenPrinting/cups/commit/b7c2525a885f528d243c3a92197ca99609b3f080 [2] https://security-tracker.debian.org/tracker/CVE-2026-41079 Signed-off-by: Anil Dongare <[email protected]> --- meta/recipes-extended/cups/cups.inc | 1 + .../cups/cups/CVE-2026-41079.patch | 73 +++++++++++++++++++ 2 files changed, 74 insertions(+) create mode 100644 meta/recipes-extended/cups/cups/CVE-2026-41079.patch diff --git a/meta/recipes-extended/cups/cups.inc b/meta/recipes-extended/cups/cups.inc index 49b828506a..9f5d5fe726 100644 --- a/meta/recipes-extended/cups/cups.inc +++ b/meta/recipes-extended/cups/cups.inc @@ -24,6 +24,7 @@ SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/cups-${PV}-source.tar.gz \ file://CVE-2026-27447.patch \ file://CVE-2026-27447-regression_p1.patch \ file://CVE-2026-27447-regression_p2.patch \ + file://CVE-2026-41079.patch \ " GITHUB_BASE_URI = "https://github.com/OpenPrinting/cups/releases"; diff --git a/meta/recipes-extended/cups/cups/CVE-2026-41079.patch b/meta/recipes-extended/cups/cups/CVE-2026-41079.patch new file mode 100644 index 0000000000..2392a77311 --- /dev/null +++ b/meta/recipes-extended/cups/cups/CVE-2026-41079.patch @@ -0,0 +1,73 @@ +From a331e93e2f9baf411715ef69ae19b73827da23d7 Mon Sep 17 00:00:00 2001 +From: Michael R Sweet <[email protected]> +Date: Mon, 13 Apr 2026 11:50:23 -0400 +Subject: [PATCH] Limit num_bytes for SNMP string values. + +CVE: CVE-2026-41079 + +Upstream-Status: Backport [https://github.com/OpenPrinting/cups/commit/b7c2525a885f528d243c3a92197ca99609b3f080] + +(cherry picked from commit b7c2525a885f528d243c3a92197ca99609b3f080) +Signed-off-by: Anil Dongare <[email protected]> +--- + cups/snmp-private.h | 6 +++--- + cups/snmp.c | 8 ++++++-- + 2 files changed, 9 insertions(+), 5 deletions(-) + +diff --git a/cups/snmp-private.h b/cups/snmp-private.h +index 52b8740..015f53e 100644 +--- a/cups/snmp-private.h ++++ b/cups/snmp-private.h +@@ -1,7 +1,7 @@ + /* + * Private SNMP definitions for CUPS. + * +- * Copyright © 2020-2024 by OpenPrinting. ++ * Copyright © 2020-2026 by OpenPrinting. + * Copyright © 2007-2014 by Apple Inc. + * Copyright © 2006-2007 by Easy Software Products, all rights reserved. + * +@@ -58,9 +58,9 @@ typedef enum cups_asn1_e cups_asn1_t; /**** ASN1 request/object types ****/ + + typedef struct cups_snmp_string_s /**** String value ****/ + { +- unsigned char bytes[CUPS_SNMP_MAX_STRING]; +- /* Bytes in string */ + unsigned num_bytes; /* Number of bytes */ ++ unsigned char bytes[CUPS_SNMP_MAX_STRING + 1]; ++ /* Bytes in string */ + } cups_snmp_string_t; + + union cups_snmp_value_u /**** Object value ****/ +diff --git a/cups/snmp.c b/cups/snmp.c +index 54e348f..2fcb38d 100644 +--- a/cups/snmp.c ++++ b/cups/snmp.c +@@ -1,7 +1,7 @@ + /* + * SNMP functions for CUPS. + * +- * Copyright © 2020-2024 by OpenPrinting. ++ * Copyright © 2020-2026 by OpenPrinting. + * Copyright © 2007-2019 by Apple Inc. + * Copyright © 2006-2007 by Easy Software Products, all rights reserved. + * +@@ -1042,10 +1042,14 @@ asn1_decode_snmp(unsigned char *buffer, /* I - Buffer */ + case CUPS_ASN1_OCTET_STRING : + case CUPS_ASN1_BIT_STRING : + case CUPS_ASN1_HEX_STRING : +- packet->object_value.string.num_bytes = length; + asn1_get_string(&bufptr, bufend, length, + (char *)packet->object_value.string.bytes, + sizeof(packet->object_value.string.bytes)); ++ ++ if (length >= sizeof(packet->object_value.string.bytes)) ++ packet->object_value.string.num_bytes = sizeof(packet->object_value.string.bytes) - 1; ++ else ++ packet->object_value.string.num_bytes = length; + break; + + case CUPS_ASN1_OID : +-- +2.43.7 + -- 2.44.4
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